ddo / Dungeons & Dragons Online - Stormreach

Dungeons & Dragons Online

MMO Game Data for Dungeons & Dragons Online

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DDO may refer to:

David Dunlap Observatory Catalogue, a catalogue of dwarf galaxies that was published in 1959
DDO (gene), that encodes the D-aspartate oxidase enzyme
Distant detached objects, class of minor planets in the outer reaches of the Solar System
Dynamic Drive Overlay, a software technique to extend a system BIOS

Deputy Director for Operations, particularly as the title of a specific CIA official; cf. article
The above title is sometimes incorrectly rendered as Deputy Director of Operations; especially this latter term is also in generic use as the title of officials in business or other organizations.
Director of Operations, particularly in francophone environments, from the French Directeur Des Opérations.